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iVinArrow [24]
2 years ago
7

The figure shown is a

Mathematics
1 answer:
Elan Coil [88]2 years ago
7 0
17 cm
Explanation explain
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Complete the square to transform the quadratic equation into the form
faltersainse [42]

The square of a binomial is written like

(x\pm a)^2 = x^2\pm 2ax + a^2

In your case, you have 2ax=-8x, which implies a=-4

So, we want to write

(x-4)^2 = x^2-8x+16

But our left hand side is

x^2-8x-10

If we add 26 to both sides, we have

x^2 - 8x - 10 +26 = 18+26 \iff x^2-8x+16=44 \iff (x-4)^2=44

7 0
3 years ago
Evaluate |x + y|, for x = 8 and y = -15.<br><br> 7<br> -7<br> 23<br> -23
natka813 [3]

Answer:

7

Step-by-step explanation:

When evaluating absolute values, a great way to remember what they do is simple. No matter the number, whether it is negative or positive, the number(s) IN THE absolute values are ALWAYS positive.

So, |x + y| is then substituted with the numbers given for the variables.

|x + y|

|8 - 15|

|-7|

7

Hope this helps!

3 0
3 years ago
. Given 40x - 8y + 24 = 0, write the equation in
Marat540 [252]

Answer:

D

Step-by-step explanation:

40x - 8y + 24 = 0

-8y = -40x - 24

y = 5x + 3

4 0
3 years ago
Read 2 more answers
F(x) = x + 4: find f(4) and f(x) = 10
beks73 [17]

Answer:

f(4) = 8

f(6) = 10

Step-by-step explanation:

Step 1: Define

f(x) = x + 4

f(4) is x = 4

f(x) = 10

Step 2: Find f(4)

f(4) = 4 + 4

f(4) = 8

Step 3: Find f(x) = 10

10 = x + 4

x = 6

8 0
3 years ago
119 6 weeks estimate number of hours each week
earnstyle [38]
19.8 I think and I'm pretty sure I have it right
3 0
3 years ago
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